Ok here is the run down my causin got a truck like mine i have a 96 dodge ram but his is a 94 5.2 1500 4x4 ok we did the spark plug wires because the old ones were arcing but if u stop on the gas it makes a loud popping/grinding noise but if you ease on the gas it can go up to 5000 easy with out popping or grinding i was thinking it was a bad cat or torque converter but i need some ideas so i can help him i feel bad because its his only vehicle thanks for the help. and if i want to solve it by myself , does the tool nexiq 125032
